Implement creator studio and upload updates

app/Services/Sitemaps/Builders/ForumIndexSitemapBuilder.php

@@ -0,0 +1,31 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Services\Sitemaps\Builders;
+
+use App\Services\Sitemaps\AbstractSitemapBuilder;
+use App\Services\Sitemaps\SitemapUrlBuilder;
+use DateTimeInterface;
+
+final class ForumIndexSitemapBuilder extends AbstractSitemapBuilder
+{
+    public function __construct(private readonly SitemapUrlBuilder $urls)
+    {
+    }
+
+    public function name(): string
+    {
+        return 'forum-index';
+    }
+
+    public function items(): array
+    {
+        return [$this->urls->forumIndex()];
+    }
+
+    public function lastModified(): ?DateTimeInterface
+    {
+        return null;
+    }
+}